Home / 72,822.24-109,259.67-25,444.35

Finding the Fourth Proportional to 72,822.24, 109,259.67 and 25,444.35

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Solution

The fourth proportional to 72,822.24, 109,259.67 and 25,444.35 is: 38,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,822.24 : 109,259.67 = 25,444.35 : x
  2. Step 2: Convert to fraction form
    72,822.24/109,259.67 = 25,444.35/x
  3. Step 3: Cross multiply
    72,822.24x = 109,259.67 × 25,444.35
  4. Step 4: Simplify right side
    72,822.24x = 2,780,041,284.36
  5. Step 5: Solve for x
    x = 2,780,041,284.36/72,822.24
  6. Step 6: Final answer
    x = 38,175.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.